pretty much the same stuff.... that kind is produced (atleast imo and my own experiments) when not alot of ash/particles get through.... if you wanna test yourself get a metal pipe, take two screens and double layer a peice of toilet paper between them, and then stick it in the body of the pipe at one of the thread connectors and smoke out of it for like a week, and then look what you have on the bowl side, and then look at what's on the mouthpeice side...